All About Composite Decking | This Old HouseHow much care? Less than wood. A simple scrubbing with soapy water and a soft bristle brush is usually all that's needed. Not just decking. Everything you need to finish a deckfascia boards, railings, balusters, treads, and postsis made in matching colors using the same composite material. Does it burn? Yes, but at a much higher temperature than wood. Most composites meet California's strict Wildland-Urban Interface Building Code. MORE: Fire-Resistant decking and Framing&nbsp;...